# serverless-cloudformation-parameter-setter [](http://www.serverless.com) Serverless framework plugin to set CloudFormation Parameters when deploying ## Installation Install the plugin from npm ```bash $ npm install --save serverless-cloudformation-parameter-setter ``` Add the plugin to your `serverless.yml` file: ```yaml plugins: - serverless-cloudformation-parameter-setter ``` ## Usage #### CLI options None #### YAML settings ```yaml custom: cf-parameters: secretPassword: whatever # this could be serverless ssm variable or s3 variable or plaintext or whatever, do what you want resources: # define the cloudformation parameters here Parameters: secretPassword: Type: string Description: database password NoEcho: true # keep it secret, keep it safe # use the parameters here Resources: TheDatabase: Type: AWS::RDS::DBInstance Properties: Engine: MySQL DBInstanceIdentifier: MySQL DBName: MySQL MultiAZ: true PubliclyAccessible: true MasterUsername: root MasterUserPassword: { Ref: secretPassword } # you can also send this to a lambda's env var DBInstanceClass: db.t2.large AllocatedStorage: 100 DBSubnetGroupName: Ref: DBSubnetGroup # not included in this example VPCSecurityGroups: - Ref: DBSecurityGroup # not included in this example ```